[SUPERIOR PERFORMANCE] 20mm focal length provides maximum brightness and high clarity for comfortable observation.
[MULTILAYER COATING] Full multi-layer coating on optical glass improves the brightness and clarity of view.
[ADJUSTABLE FILTER] The bottom thread allows an adjustable 1.25 inch filter for use with standard 1.25 inch interface telescopes.
[WIDE FIELD] Enjoy a wide field of with high brightness for comfortable and clear observation.
[VERSATILE APPLICATION] Suitable for astronomical telescopes to observe the lunar surface, planets, nebulae, etc.
Description
1. [SUPERIOR PERFORMANCE] 20mm focal length provides maximum brightness and high clarity for comfortable observation.
2. [MULTILAYER COATING] Full multi-layer coating on optical glass improves the brightness and clarity of view.
3. [ADJUSTABLE FILTER] The bottom thread allows an adjustable 1.25 inch filter for use with standard 1.25 inch interface telescopes.
4. [WIDE FIELD] Enjoy a large field of with high brightness for comfortable and clear observation.
5. [VERSATILE APPLICATION] Suitable for astronomical telescopes to observe the lunar surface, planets, nebulae and more.